Home / 99,546.49-137,374.34-59,261.65

Finding the Fourth Proportional to 99,546.49, 137,374.34 and 59,261.65

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Solution

The fourth proportional to 99,546.49, 137,374.34 and 59,261.65 is: 81,781.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,546.49 : 137,374.34 = 59,261.65 : x
  2. Step 2: Convert to fraction form
    99,546.49/137,374.34 = 59,261.65/x
  3. Step 3: Cross multiply
    99,546.49x = 137,374.34 × 59,261.65
  4. Step 4: Simplify right side
    99,546.49x = 8,141,030,056.06
  5. Step 5: Solve for x
    x = 8,141,030,056.06/99,546.49
  6. Step 6: Final answer
    x = 81,781.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.